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DE59405007D1 - Membranes made from acrylonitrile copolymers, process for their preparation and their use - Google Patents

Membranes made from acrylonitrile copolymers, process for their preparation and their use

Info

Publication number
DE59405007D1
DE59405007D1 DE59405007T DE59405007T DE59405007D1 DE 59405007 D1 DE59405007 D1 DE 59405007D1 DE 59405007 T DE59405007 T DE 59405007T DE 59405007 T DE59405007 T DE 59405007T DE 59405007 D1 DE59405007 D1 DE 59405007D1
Authority
DE
Germany
Prior art keywords
preparation
acrylonitrile copolymers
membranes made
membranes
acrylonitrile
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE59405007T
Other languages
German (de)
Inventor
D- Krefeld Dr Hildenbrand
D- Krefeld Dr Dhein
D- Krefeld Dr Ebert
D- Bergisch Gladbach Dr Hugl
D- Dormagen Dr Engelhard
Wilken Hans-Joachim Dipl-Ing
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
Original Assignee
Bayer AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE4325650A external-priority patent/DE4325650C1/en
Priority claimed from DE4341601A external-priority patent/DE4341601A1/en
Application filed by Bayer AG filed Critical Bayer AG
Application granted granted Critical
Publication of DE59405007D1 publication Critical patent/DE59405007D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/0011—Casting solutions therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/0013—Casting processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/04—Tubular membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/06—Flat membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/08—Hollow fibre membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/08—Hollow fibre membranes
    • B01D69/087—Details relating to the spinning process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/40—Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
    • B01D71/42—Polymers of nitriles, e.g. polyacrylonitrile
    • B01D71/421—Polyacrylonitrile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/76—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/12—Specific ratios of components used

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • External Artificial Organs (AREA)
DE59405007T 1993-07-30 1994-07-18 Membranes made from acrylonitrile copolymers, process for their preparation and their use Expired - Fee Related DE59405007D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4325650A DE4325650C1 (en) 1993-07-30 1993-07-30 Membranes made of acrylonitrile copolymers, process for the production thereof and use thereof
DE4341601A DE4341601A1 (en) 1993-12-07 1993-12-07 Membranes based on copolymers of acrylonitrile

Publications (1)

Publication Number Publication Date
DE59405007D1 true DE59405007D1 (en) 1998-02-19

Family

ID=25928180

Family Applications (1)

Application Number Title Priority Date Filing Date
DE59405007T Expired - Fee Related DE59405007D1 (en) 1993-07-30 1994-07-18 Membranes made from acrylonitrile copolymers, process for their preparation and their use

Country Status (4)

Country Link
EP (1) EP0636404B1 (en)
JP (1) JPH0760085A (en)
DE (1) DE59405007D1 (en)
ES (1) ES2111214T3 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0751818A1 (en) * 1994-03-22 1997-01-08 Akzo Nobel N.V. High-flux polyacrylonitrile dialysis diaphragm
AU715033B2 (en) * 1997-06-20 2000-01-13 Asahi Kasei Kogyo Kabushiki Kaisha Polyacrylonitrile-based filtration membrane in a hollow fiber state
DE50007011D1 (en) * 1999-12-23 2004-08-12 Membrana Gmbh Shaped bodies for pyrogen retention, process for their preparation and their use
JP4810720B2 (en) * 2000-06-16 2011-11-09 東レ株式会社 Selective removal membrane and blood processor using the same
DE10217440A1 (en) 2002-04-18 2003-11-06 Basf Ag Use of hydrophobically modified copolymers based on N-vinyl monomers for the production of membranes
KR100719028B1 (en) * 2005-05-10 2007-05-16 김용구 Manufacturing Process for an fur and fur thereof
MY175641A (en) 2013-04-01 2020-07-03 Petroliam Nasional Berhad Polysulfone membrane having high selectivity

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3035134A1 (en) * 1979-09-19 1981-04-09 Aligena AG, Basel POROESE, MODIFIED MEMBRANES BASED ON ULTRAFILTRATION ON THE BASIS OF POLYACRYLNITRILES, PROCESS FOR THEIR PRODUCTION AND THEIR USE
BG33312A1 (en) * 1981-04-20 1983-01-14 Dimov Method for obtaining of semi- transparent membrane
JPS5892410A (en) * 1981-11-30 1983-06-01 Asahi Medical Kk Semi-permeable membrane with high permeability
JPS5893708A (en) * 1981-11-30 1983-06-03 Asahi Medical Kk Acrylonitrile semipermeable membrane
JPS58189241A (en) * 1982-04-30 1983-11-04 Kanebo Ltd Production of microporous film
DD260869A1 (en) * 1987-06-26 1988-10-12 Akad Wissenschaften Ddr METHOD FOR PRODUCING GROP-PURE ASYMMETRIC HOLLOW MEMBRANES
DD262169A1 (en) * 1987-06-26 1988-11-23 Akad Wissenschaften Ddr METHOD FOR PRODUCING ASYMMETRIC HOLLOW MEMBERS FROM ACRYLIC NITRILE POLYMERIZES
DE4021052A1 (en) * 1990-06-29 1992-01-23 Akad Wissenschaften Ddr ROUGHPROOF HOCHASYMMETRIC HOLLOW MEMBRANES, WITH INTERNAL TRENNAKTIVER LAYER, OF ACRYLIC NITRILE POLYMERS, AND METHOD AND DEVICE FOR THEIR PRODUCTION

Also Published As

Publication number Publication date
EP0636404B1 (en) 1998-01-14
ES2111214T3 (en) 1998-03-01
JPH0760085A (en) 1995-03-07
EP0636404A1 (en) 1995-02-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee